Official Microstakes Limit Stats Thread

[bravos1]

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What is exactly standard deviation and how do you compute it ?

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http://en.wikipedia.org/wiki/Standard_deviation

in layman's terms, SD tells you how close data points are in relation to the mean. The tighter (closer to the mean) the data set, the lower the SD. The more spread out (volatile) the data, the greater the SD.